ARM: dts: imx6q-dhcom: Fix SGTL5000 VDDIO regulator connection

commit fe6a6689d1815b63528796886853890d8ee7f021 upstream.

The SGTL5000 VDDIO is connected to the PMIC SW2 output, not to
a fixed 3V3 rail. Describe this correctly in the DT.

Fixes: 52c7a088 ("ARM: dts: imx6q: Add support for the DHCOM iMX6 SoM and PDK2")
Signed-off-by: NMarek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Ludwig Zenz <lzenz@dh-electronics.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
To: linux-arm-kernel@lists.infradead.org
Signed-off-by: NShawn Guo <shawnguo@kernel.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

arch/arm/boot/dts/imx6q-dhcom-pdk2.dts

@@ -55,7 +55,7 @@
 		#sound-dai-cells = <0>;
 		clocks = <&clk_ext_audio_codec>;
 		VDDA-supply = <&reg_3p3v>;
-		VDDIO-supply = <&reg_3p3v>;
+		VDDIO-supply = <&sw2_reg>;
 	};
 };